The Practice of System and Network Administration Second Edition phần 7 potx

... pretty labels for the tape covers. However, the system failed to reduce the thinking aspect of the job. The software did a grand job of issuing the right backup commands at the right time, used ... Understanding the basic relationship of storage devices to the operating system and to the file system gives you aricher understanding of the way that large storage solutions are built upout of ... deleted the data, the direct users of the data. Archival backups serve the needs of the legal and financial departments that require them, people who638 Chapter 26 Backup and Restoreto the same...

The Practice of System and Network Administration Second Edition phần 1 docx

... Happy 77 732.1 The Basics 77 832.1.1 Follow-Through 77 832.1.2 Time Management 78 032.1.3 Communication Skills 79 032.1.4 Professional Development 79 632.1.5 Staying Technical 79 732.2 The Icing 79 732.2.1 ... End-to-End Understanding of the System 40015.3 Conclusion 402Contents xi 7 Networks 1 87 7.1 The Basics 188 7. 1.1 The OSI Model 188 7. 1.2 Clean Architecture 190 7. 1.3 Network Topologies 191 7. 1.4 Intermediate ... 1 97 7.1.5 Main Distribution Frame 203 7. 1.6 Demarcation Points 205 7. 1 .7 Documentation 205 7. 1.8 Simple Host Routing 2 07 7.1.9 Network Devices 209 7. 1.10 Overlay Networks 212 7. 1.11 Number of...

The Practice of System and Network Administration Second Edition phần 2 doc

... serverroom and most of the networks in his division. Ouch!4.1 The Basics 77 are available. The lower grades ship replacement parts to the site; more ex-pensive ones deliver the part and do the installation.Cross-shipped ... vendor and the release of the compatible new version from the second vendor. Also, relations between the two vendors may break down, and they may stop providing the interfacebetween the two ... both products and rely on the interface between them.❖ The Protocol versus the Product SAs need to understand the differ-ence between the protocol and the product. One might standardize onSimple...

The Practice of System and Network Administration Second Edition phần 3 docx

... simplicity on the physical layer.You can build a very simple and therefore stable—flat physical network and then construct overlay networks on top of the solid base to give the ap-pearance of the more ... an office is not the cables but192 Chapter 7 NetworksFieldofficeFieldofficeFieldofficeFieldofficeFieldofficeRouterRouterRouterRouterRouterMainofficeFigure 7. 2 A wide-area network ... the machines and lighting in the data center, the HVAC system, the UPS charging, the phone switches, the SA work area, and the customer servicecenter. The security-access systemis also on the...

The Practice of System and Network Administration Second Edition phần 4 docx

... let them make the decision without having to understand the technology, and they were able to break the tie where the SAs disagreed.By the time the hardware was ready, the grid was complete. The ... availability of and access to the manufacturingcontrol systems was of the utmost importance.A large networking hardware and software company, the crown jewels were iden-tified as the financial and ... effectively.11.1 The Basics 313connect to the company, because of the customer’s policies and facilities.If the offices cannot use one of the officially sanctioned methods, theymay set up something for themselves...

The Practice of System and Network Administration Second Edition phần 5 pps

... whether the change should go ahead regardless of ‘ the weather’’ or wait until there is ‘‘good weather’’: the operating status of the service. In other words, some changes are approved on the ... schedule, rather than the other way around. When his customer madea mistake, Tom was blamed because some of the group’s systems depended on the customer’s systems. The customer and Tom had the following ... sure that the change goes smoothly and takes the minimum amount of time? 17. 2 The Icing 429It also makes other people aware of changes that are being made so thatthey can recognize the potential...

The Practice of System and Network Administration Second Edition phần 6 doc

... when the cost model showed the systems tocost about the same per gigabyte of usable storage, the dedicated file servers hadan advantage over the old systems: consistency and support. The old systems ... mishmash of various manufacturers for the host; for the RAID controllers; and for the disk drives, cables, network interfaces, and, in some cases, even the racks they satin! Each of these items ... quickly and efficiently, with all the relevant staff on-site and not havingto be paged out of their beds. Both of these factors are important in the overallsatisfaction of the company with the...

The Practice of System and Network Administration Second Edition phần 8 ppt

... the processing, leaving the CPU less loaded and better able to do the remaining work of moving the data off the disk, through the card, and onto the network. ❖ LAMP and Other Industry Terms Certain ... centralized and decentral-ized models for the system administration organization has an impact oncustomer support and the relationships between the SAs and between the customers and the SAs. In the ... of a profit center that can directly see the results of its investment in system administration. However, other parts of the company may suffer because the people setting the priorities for the...

The Practice of System and Network Administration Second Edition phần 9 pps

... isolated, unimportant, and not part of the team. The longer people stay with the group and the less turnover there is, the more they will feel part of the team and the more likely they are to stickwith ... servers,printers, other people’s PCs, and the like.This has the same effect as if someone walked up to another person’s PCwhen no one was around and pulled the network connection out of the back of it. ... with a sense of humor. The followingemail was sent to users of a particular network after a series of outages.From: Head of the SA TeamTo: Users of this network Subject: Network theft problemThis...

The Practice of System and Network Administration Second Edition phần 10 pdf

... existing systems and improving them, scaling large systems into hu-mongous systems, and overhauling legacy systems and replacing them withnewer systems. Infrastructure Builders are proud of their ... members do the samething, and share the lists. How much did the therapy bills cost? 7. Psychologists and managers know that other people cannot be changed;they need to see the need for change themselves ... coaches the customer on how to sell the idea to her boss and stands by during the presentation in case she needs help. The value to the company of the Customer’s Advocate is to help the customers...

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